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VulnerabilityPublished Updated

CVE-2026-42358: Apache Airflow · Information Exposure

Affects Apache AirflowSource CVE Database V5

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Mentioned vulnerabilities

Not known to be exploited · CVSS 6.5 Medium : upgrade to 3.2.2 when convenient.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 26% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 3.2.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 1 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade Apache Airflow and apache-airflow to 3.2.2.

Affected software

ProductAffectedFixed in
Apache Software FoundationApache AirflowAffected
  • <3.2.2
Fixed in
  • 3.2.2
PyPIapache-airflowpkg:pypi/apache-airflowOther threatsAffected
  • <3.2.2
Fixed in
  • 3.2.2

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade Apache Airflow to version 3.2.2 or later to address this vulnerability. This update raises the recursion depth limit for the Variable response masker, ensuring sensitive keys in deeply nested JSON values are properly redacted. No other mitigation is indicated by the vendor advisory.

Description

CVE-2026-42358 is a vulnerability in Apache Airflow where the Variable response masker fails to redact sensitive nested keys in deeply nested JSON values beyond a certain recursion depth. Authenticated users with Variable read permission can access plaintext secrets stored under deeply nested keys named with sensitive suffixes like 'password' or 'token'. This issue affects versions prior to 3.2.2 and is a residual gap from a previous fix that only addressed shallower nesting. Upgrading to Apache Airflow 3.2.2 or later mitigates this vulnerability.

References

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